зеркало из https://github.com/mozilla/gecko-dev.git
45 строки
1.3 KiB
C++
45 строки
1.3 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "HeadlessScreenHelper.h"
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#include "prenv.h"
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#include "mozilla/dom/DOMTypes.h"
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#include "mozilla/RefPtr.h"
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#include "nsTArray.h"
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namespace mozilla {
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namespace widget {
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/* static */
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LayoutDeviceIntRect HeadlessScreenHelper::GetScreenRect() {
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char* ev = PR_GetEnv("MOZ_HEADLESS_WIDTH");
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int width = 1366;
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if (ev) {
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width = atoi(ev);
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}
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ev = PR_GetEnv("MOZ_HEADLESS_HEIGHT");
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int height = 768;
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if (ev) {
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height = atoi(ev);
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}
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return LayoutDeviceIntRect(0, 0, width, height);
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}
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HeadlessScreenHelper::HeadlessScreenHelper() {
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AutoTArray<RefPtr<Screen>, 1> screenList;
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LayoutDeviceIntRect rect = GetScreenRect();
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RefPtr<Screen> ret =
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new Screen(rect, rect, 24, 24, DesktopToLayoutDeviceScale(),
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CSSToLayoutDeviceScale(), 96.0f);
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screenList.AppendElement(ret.forget());
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ScreenManager& screenManager = ScreenManager::GetSingleton();
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screenManager.Refresh(std::move(screenList));
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}
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} // namespace widget
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} // namespace mozilla
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